$(C_4H_{10}O_5)_n + nH_2O → C_{12}H_{22}O_{11} + H_2O → 2C_6H_{12}O_6$ What are the enzymes used in above conversion of Cellulose to Maltose to Glucose respectively ?

Question

$\begin{array}{1 1}(a)\;\text{Diastase and Maltase}\\(b)\;\text{Diastase and zymase}\\(c)\;\text{Zymase and Maltase}\\(d)\;\text{Hydrogenase and Zymase}\end{array} $